From: Gregory CLEMENT gregory.clement@bootlin.com
commit 04fb02757ae5188031eb71b2f6f189edb1caf5dc upstream.
As explained in the following commit a9a1a4833613 ("pinctrl: armada-37xx: Fix gpio interrupt setup") the armada_37xx_irq_set_type() function can be called before the initialization of the mask field.
That means that we can't use this field in this function and need to workaround it using hwirq.
Fixes: 30ac0d3b0702 ("pinctrl: armada-37xx: Add edge both type gpio irq support") Cc: stable@vger.kernel.org Reported-by: Russell King rmk+kernel@armlinux.org.uk Signed-off-by: Gregory CLEMENT gregory.clement@bootlin.com Link: https://lore.kernel.org/r/20191115155752.2562-1-gregory.clement@bootlin.com Signed-off-by: Linus Walleij linus.walleij@linaro.org Signed-off-by: Greg Kroah-Hartman gregkh@linuxfoundation.org
--- drivers/pinctrl/mvebu/pinctrl-armada-37xx.c | 6 +++--- 1 file changed, 3 insertions(+), 3 deletions(-)
--- a/drivers/pinctrl/mvebu/pinctrl-armada-37xx.c +++ b/drivers/pinctrl/mvebu/pinctrl-armada-37xx.c @@ -592,10 +592,10 @@ static int armada_37xx_irq_set_type(stru regmap_read(info->regmap, in_reg, &in_val);
/* Set initial polarity based on current input level. */ - if (in_val & d->mask) - val |= d->mask; /* falling */ + if (in_val & BIT(d->hwirq % GPIO_PER_REG)) + val |= BIT(d->hwirq % GPIO_PER_REG); /* falling */ else - val &= ~d->mask; /* rising */ + val &= ~(BIT(d->hwirq % GPIO_PER_REG)); /* rising */ break; } default: